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7-Ethyl Camptothecin is an anti-cancer chemical that exhibits a strong activity against various murine tumors through Topo I (topoisomerase) inhibition.
| Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
| Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
| Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
| Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
| Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
| Animal A Km |
For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.
| Molecular Weight | 376.41 |
| Formula | C22H20N2O4 |
| CAS Number | 78287-27-1 |
| Purity | >98% |
| Solubility | 10 mM in DMSO |
| Storage | at -20°C |
Practical synthesis of (20S)-10-(3-aminopropyloxy)-7-ethylcamptothecin, a water-soluble analogue of camptothecin.
Watanabe T, et al. Chem Asian J. 2013 Mar; 8(3):630-8. PMID: 23281180.
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